<?php
//$a = 4;
//$b = 12;
//$c = $a++;
//echo $c;
//echo "<br>";
//echo $a;


//$a = "CC";
//$a.="SS";
//echo $a;


//if(""==null){
//    echo "yes";
//}else{
//    echo "no";
//}

$a = "alsher";
$b = $a=="marihan"? "yes":"no";
echo $b;